Roller cap



FIG. 1 is a front, left, top perspective view of a roller cap showing our new design;

FIG. 2 is a rear, right, top perspective view thereof;

FIG. 3 is a left, bottom perspective view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a front elevation view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a front, left, top perspective view thereof shown in a state of use;

FIG. 11 is a rear, right, top perspective view thereof shown in a state of use; and,

FIG. 12 is a top plan view thereof shown in a state of use.

The broken lines illustrate portions of the roller cap that form no part of the claimed design. The broken lines depicting a flat surface in FIGS. 10-12 show environmental structure that form no part of the claimed design. 

CLAIM The ornamental design for a roller cap, as shown and described. 